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TL16C550BPTR, TL16C550C, TL16C550C1PT

Table of contents:
Info of TL16C550BPTR
Info of TL16C550C
Info of TL16C550C1PT

TL16C550BPTR, TL16C550C, TL16C550C1PT Selling Leads, Datasheet

MFG:TI Package Cooled:00+ D/C:LQFP/48

TL16C550BPTR, TL16C550C, TL16C550C1PT Picture

TL16C550BPTR, TL16C550C, TL16C550C1PT Datasheet download

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Part Number: TL16C550BPTR

MFG: TI

Package Cooled: 00+

D/C: LQFP/48

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TL16C550C General Description

The TL16C550C and the TL16C550CI are functional upgrades of the TL16C550B asynchronous communications element (ACE), which in turn is a functional upgrade of the TL16C450. Functionally equivalent to the TL16C450 on power up (character or TL16C450 mode), the TL16C550C and the TL16C550CI, like the TL16C550B, can be placed in an alternate FIFO mode. This relieves the CPU of excessive software overhead by buffering received and transmitted characters. The receiver and transmitter FIFOs store up to 16 bytes including three additional bits of error status per byte for the receiver FIFO. In the FIFO mode, there is a selectable autoflow control feature that can significantly reduce software overload and increase system efficiency by automatically controlling serial data flow using RTS output and CTS input signals.

The TL16C550C and TL16C550CI perform serial-to-parallel conversions on data received from a peripheral device or modem and parallel-to-serial conversion on data received from its CPU. The CPU can read the ACE status at any time. The ACE includes complete modem control capability and a processor interrupt system that can be tailored to minimize software management of the communications link.

Both the TL16C550C and the TL16C550CI ACE include a programmable baud rate generator capable of dividing a reference clock by divisors from 1 to 65535 and producing a 16× reference clock for the internal transmitter logic. Provisions are included to use this 16× clock for the receiver logic. The ACE accommodates a 1-Mbaud serial rate (16-MHz input clock) so that a bit time is 1 µs and a typical character time is 10 µs (start bit, 8 data bits, stop bit).

Two of the TL16C450 terminal functions on the TL16C550C and the TL16C550CI have been changed to
TXRDY and RXRDY, which provide signaling to a DMA controller.

TL16C550C Maximum Ratings

Supply voltage range, V_CC (see Note 1) . . . . . . . .  . . . . . . . . . . . . . . .. . . . . . . 0.5 V to 7 V
Input voltage range at any input, V_I  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 V to 7 V
Output voltage range, V_O   . . . . . . . . . . .  . . . . . . . . . . . . . . . . . . . . . . . . . .. . . .0.5 V to 7 V
Operating free-air temperature range, T_A, TL16C550C  . . . . . . . . . . . . . . . . . . . 0°C to 70°C
                                                                  TL16C550CI  . . . . . . . . . . . . . . . . 40°C to 85°C
Storage temperature range, T_stg . . . . . . . . . . . . .  . . . . . . . . . . . . . . . . . . . . 65°C to 150°C
Case temperature for 10 seconds, T_C: FN package  . . . . . . . . . . .  . . . . . . . . . . . .. . . . 260°C
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds: N or PT package  . . . 260°C
† Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTE 1: All voltage values are with respect to VSS.

TL16C550C Connection Diagram

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